llvm-project/clang/test/SemaTemplate/derived.cpp

55 lines
1.8 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
template<typename T> class vector2 {};
template<typename T> class vector : vector2<T> {};
template<typename T> void Foo2(vector2<const T*> V) {} // expected-note{{candidate template ignored: can't deduce a type for 'T' that would make 'const T' equal 'int'}}
template<typename T> void Foo(vector<const T*> V) {} // expected-note {{candidate template ignored: can't deduce a type for 'T' that would make 'const T' equal 'int'}}
void test() {
Foo2(vector2<int*>()); // expected-error{{no matching function for call to 'Foo2'}}
Foo(vector<int*>()); // expected-error{{no matching function for call to 'Foo'}}
}
namespace rdar13267210 {
template < typename T > class A {
BaseTy; // expected-error{{C++ requires a type specifier for all declarations}}
};
template < typename T, int N > class C: A < T > {};
class B {
C<long, 16> ExternalDefinitions;
C<long, 64> &Record;
void AddSourceLocation(A<long> &R); // expected-note{{passing argument to parameter 'R' here}}
void AddTemplateKWAndArgsInfo() {
AddSourceLocation(Record); // expected-error{{non-const lvalue reference to type}}
}
};
}
namespace PR16292 {
class IncompleteClass; // expected-note{{forward declaration}}
class BaseClass {
IncompleteClass Foo; // expected-error{{field has incomplete type}}
};
template<class T> class DerivedClass : public BaseClass {};
void* p = new DerivedClass<void>;
}
namespace rdar14183893 {
class Typ { // expected-note {{not complete}}
Typ x; // expected-error {{incomplete type}}
};
template <unsigned C> class B : Typ {};
typedef B<0> TFP;
class A {
TFP m_p;
void Enable() { 0, A(); } // expected-warning {{unused}}
};
}